package com.iha.pongzor.gui;
import com.iha.pongzor.logic.CoverFlow;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.LinearGradient;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.graphics.Bitmap.Config;
import android.graphics.PorterDuff.Mode;
import android.graphics.Shader.TileMode;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;

public class GameCoverFlow extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        CoverFlow coverFlow;
        coverFlow = new CoverFlow(this);

        coverFlow.setAdapter(new ImageAdapter(this));

        ImageAdapter coverImageAdapter =  new ImageAdapter(this);

        coverImageAdapter.createReflectedImages();
        
        coverFlow.setAdapter(coverImageAdapter);

        coverFlow.setSpacing(-15);
        coverFlow.setSelection(0, true);

        setContentView(coverFlow);
    }

    public class ImageAdapter extends BaseAdapter {
        int mGalleryItemBackground;
        private Context mContext;

        private Integer[] mImageIds = {
                getResources().getIdentifier("@drawable/ponggame", null, getPackageName()),
                getResources().getIdentifier("@drawable/superjumper", null, getPackageName())
        };

        private ImageView[] mImages;

        public ImageAdapter(Context c) {
            mContext = c;
            mImages = new ImageView[mImageIds.length];
        }
        
        public boolean createReflectedImages() {
                //The gap we want between the reflection and the original image
                final int reflectionGap = 4;

                int index = 0;
                for (int imageId : mImageIds) {
                    Bitmap originalImage = BitmapFactory.decodeResource(getResources(), 
                            imageId);
                    int width = originalImage.getWidth();
                    int height = originalImage.getHeight();


                    //This will not scale but will flip on the Y axis
                    Matrix matrix = new Matrix();
                    matrix.preScale(1, -1);

                    //Create a Bitmap with the flip matrix applied to it.
                    //We only want the bottom half of the image
                    Bitmap reflectionImage = Bitmap.createBitmap(originalImage, 0, height/2, width, height/2, matrix, false);


                    //Create a new bitmap with same width but taller to fit reflection
                    Bitmap bitmapWithReflection = Bitmap.createBitmap(width 
                      , (height + height/2), Config.ARGB_8888);

                   //Create a new Canvas with the bitmap that's big enough for
                   //the image plus gap plus reflection
                   Canvas canvas = new Canvas(bitmapWithReflection);
                   //Draw in the original image
                   canvas.drawBitmap(originalImage, 0, 0, null);
                   //Draw in the gap
                   Paint deafaultPaint = new Paint();
                   canvas.drawRect(0, height, width, height + reflectionGap, deafaultPaint);
                   //Draw in the reflection
                   canvas.drawBitmap(reflectionImage,0, height + reflectionGap, null);

                   //Create a shader that is a linear gradient that covers the reflection
                   Paint paint = new Paint(); 
                   LinearGradient shader = new LinearGradient(0, originalImage.getHeight(), 0, 
                     bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff, 0x00ffffff, 
                     TileMode.CLAMP); 
                   //Set the paint to use this shader (linear gradient)
                   paint.setShader(shader); 
                   //Set the Transfer mode to be porter duff and destination in
                   paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN)); 
                   //Draw a rectangle using the paint with our linear gradient
                   canvas.drawRect(0, height, width, 
                     bitmapWithReflection.getHeight() + reflectionGap, paint); 

                   ImageView imageView = new ImageView(mContext);
                   imageView.setImageBitmap(bitmapWithReflection);
                   imageView.setLayoutParams(new CoverFlow.LayoutParams(getWindowManager().getDefaultDisplay().getWidth()/2, getWindowManager().getDefaultDisplay().getHeight()/2));
                   imageView.setScaleType(ScaleType.MATRIX);
                   mImages[index++] = imageView;
                   
                }
                
                mImages[0].setOnClickListener(new View.OnClickListener() {
					public void onClick(View v) {
						try {
							Intent intent = new Intent(Intent.ACTION_MAIN);
							intent.setComponent(new ComponentName("com.iha.ponggame","com.iha.ponggame.Ponggame"));
							startActivity(intent);	
						} catch (Exception e) {
							e.printStackTrace();
						}
					}
				});
                
            	mImages[1].setOnClickListener(new View.OnClickListener() {      	
		        	public void onClick(View v) {
						try {
							Intent intent = new Intent(Intent.ACTION_MAIN);
							intent.setComponent(new ComponentName("com.badlogic.androidgames.jumper","com.badlogic.androidgames.jumper.SuperJumper"));
							startActivity(intent);	
						} catch (Exception e) {
							e.printStackTrace();
						}
					}
				});
                
                return true;
        }

        public int getCount() {
            return mImageIds.length;
        }

        public Object getItem(int position) {
            return position;
        }

        public long getItemId(int position) {
            return position;
        }

        public View getView(int position, View convertView, ViewGroup parent) {
            return mImages[position];
        }
        
         /** Returns the size (0.0f to 1.0f) of the views 
         * depending on the 'offset' to the center. */ 
         public float getScale(boolean focused, int offset) { 
           /* Formula: 1 / (2 ^ offset) */ 
             return Math.max(0, 1.0f / (float)Math.pow(2, Math.abs(offset))); 
         } 

    }

}